• The Research Journal of the Costume Culture
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• v.16 no.5
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• pp.785-794
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• 2008

This study systematically analyzes the specific characteristics of clothes that each person owned by applying morphological analysis, one of the creative conception technique and suggests a way that person owned on clothes through better fashion coordination according to personal style change. The result of this study is like below. Firstly, we could draw a successful fashion coordination technique by compounding solutions classified by each important variable totally through morphological analysis. Second, we suggested a personal style analysis technique that is systematic and visual through morphological analysis. Third, we could draw a various fashion coordination technique by mixture of partial solution for important variables in short time, and concluded that it is helpful to idea quest to emphasize personal individuality in shopping. Finally a study on program development that can do expansion of fashion coordination efficiently in submitting a morphological analysis table should continue.

• Annual Conference of KIPS
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• 2017.04a
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• pp.1069-1072
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• 2017

최근에 360도 파노라마(Panorama) 사진과 영상을 이용한 가상현실 콘텐츠 제작이 급격히 증가하고 있다. 본 연구에서는 지역문화유산의 360도 파노라마 VR 콘텐츠 속에 존재하는 3D 대상물들(Objects)을 실시간으로 출력하는 시스템에 대해 연구하였다. 본 논문에서 제안하는 시스템은 지역문화유산의 가상투어(Virtual tour)뿐만 아니라 가상투어상의 주요 대상물들을 3D 프린터로 실시간 인쇄하여 소유할 수 있다는 특징을 갖는다. 지역문화유산의 가상현실을 통한 학습효과에 추가하여 주요 문화유산의 3D 모형의 출력을 통해 지역문화유산의 형태를 좀 더 현실감 있게 학습할 수 있다는 장점과 가상투어와 디지털 생산(Digital Manufacturing)/가상 생산(Virtual Manufacturing) 기술이 결합하는 새로운 형태의 서비스가 가능할 것으로 생각된다.

• Animal Systematics, Evolution and Diversity
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• v.3 no.1
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• pp.41-50
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• 1987

The osteological characters of Aphyocypris chinensis of subfamily Leuciscinae were examined and the systematic position of this species is discussed through comparison with other species of subfamilies Leucisicinae and Cultrinae. Numbers of the dorsal an danal fin ray, having no symphyseal knob and barbels and separation between dermosphenotic and supraorbital, are in acord with those of subfamily Leuciscine, and the abdominal keel and trigemino-facial nerve foramen of the prootic are more closely related with those of subfamily Cultrinae. But several diagnostic characters detected only in this species are as follows ; 4 infraorbitals, the shape of ethmoid, 5-6 hypurals, the broad orbital width, having no extrascapular, incomplete lateral line and considerable small size.

• Proceedings of the Korea Water Resources Association Conference
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• 2007.05a
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• pp.1870-1874
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• 2007

신뢰성 있는 수위-유량관계곡선식 개발은 해당 수위관측소 지점에 대한 정도있는 저 평수기 및 홍수기의 유량조사가 담보되어야 한다. 이는 합리적이고 경제적인 이수 및 치수 계획 수립과 각종 수공구조물 설계의근간이 된다. 이와 더불어 상 하류 유출량 검토 및 유출률 평가에 있어서의 수위 자료 역시 중요한 수문자료 중에 하나이다. 이러한 수위 자료에는 다양한 형태의 오차를 내포하고 있으며, 또한 유출률 평가시 수위 자료의 측정 간격에 따라 다양한 형태의 결과 값을 갖는다. 따라서 본 연구에서는 섬진강 수계의 경천을 대표하고 전형적인 농촌지역 특성을 갖고 있으며 소유역에 해당하는 순창2수위관측소와 본류부를 대표하는 구례2수위관측소를 대상으로 수위자료의 측정 간격에 따른 유출률 평가의 적정성을 검토하고자 한다. 이에 따른 방법으로는 일차적으로 영산강홍수통제소에서 조사 관리중인 30분의 수위 자료를 획득하여 T/M 전송 오류 등에 의한 측정 오차 및 결측 자료는 보간을 하였다. 그리고 30분의 수위 자료를 이용하여 1분, 5분, 10분의 수위 자료를 선형보간법에 의해 재산정 하였으며 1시간, 3시간, 6시간, 12시간, 1일의 수위 자료에 해당하는 시간의 수위 자료를 획득하였다. 이러한 절차에 의하여 결정된 수위자료는 2006년에 개발된 수위-유량관 계곡선식을 이용하여 유출량 값으로 환산하였다.

• Journal of Korea Water Resources Association
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• v.42 no.1
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• pp.75-92
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• 2009

The development of the method for flood runoff analysis representing Korean mountain basins have been one of big concerns for Korean hydrologists for several decades. Several traditional methods dealing with unit hydrograph have been restricted to be used in Korea basins, because of its drawbacks due to its originality from other countries and the uncertainties of control parameters as well as its linearity assumption between rainfall and runoff relationship. In this paper, several geomorphological similarity relationships for Korean mountain basins was developed by using the experimental data over 40 Korean basins. Then those were applied directly to geomorphological unit hydrograph theory to meet Korean geomorphological unit hydrograph. The developed method was applied to Andong Dam basin. The results show the applicability and simplicity of the developed Korean geomorphological unit hydrograph generally for Korean mountain basins in future. It might be needed for more validations and applications of this method over Korean regions.

• Korean Journal of Environmental Agriculture
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• v.16 no.2
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• pp.187-192
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• 1997

We carried out a survey on tributary streams in some agricultural areas along Nakdong River to evaluate the effects of agricultural practices on pollution of stream water and groundwater. General properties, nutrient materials and heavy metals in water samples were measured. General physicochemical properties of tributary stream waters were at levels favorable for agricultural water. Heavy metals, except Zn, were mostly not detected. Total-N contents were much higher than the criteria of agricultural water, and nitrate-N accounts for more than a half of total-N. Phosphorus contents were higher than the lower level of P for algae growth and the contents were high especially in summer. In ground waters which are used for irrigation, P were mostly at same levels as those in streams, and nitrate contents were higher than 10mg/L in some samples. In these results only those N and P contents in stream and ground waters higher than pollution criteria are problematic and they are traceable to agricultural nonpoint sources-fertilizers, livestock farms and sewage. Further researches are needed to evaluate contributions of each nonpoint source on stream water pollutions.

• Archives of design research
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• v.15 no.4
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• pp.139-148
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• 2002

This study deals with the occurrence and application of 'Fun' as a linguistic function through form-giving. As a linguistic function, Fun could be defined, in a broad sense, as an emotion of desire when in relation to artifacts, and, in a narrow sense, as a physical or mental response when a person discovers unexpected information or artifacts. Hence, the occurrence of 'Fun' could be an analogy of a removal of a 'mental block' from using (or perceiving) artifacts. As an aspect of cognitive psychology, the context of form-giving, which has meanings in both artifact and design activity, will deal with an important factor of form-giving. From that, the elements of the context and the transformation of the elements are suggestive of 'Fun-oriented form-giving'. Hence, this study will show how to deal with that elements, what is required condition on it, 'Fun' in form-giving, and the Mechanism of Occurrence of 'FUN' based on this study, will be expected to apply them for product-concept effectively and Form-Giving fashionably.

• The Journal of the Korea Contents Association
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• v.17 no.2
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• pp.207-218
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• 2017

The purpose of this study is to analyze news content consumption of news consumers in which a few media conglomerates control news consumption market caused by deregulation of media policy and development of Internet communication technology. In doing so, this study analyzes the consumption realities of news consumers in the new news consumption market generated by new media and mobile communication technologies, and the effects how the new news consumption market influences on news consumption pattern of audiences. After surveyed 229 news consumers, this study founded that news consumers use NAVER(news portal site) mainly while consuming news contents, specifically younger generation tends to use NAVER heavily. Furthermore, it is founded that news consumers chose news outlets for consuming news contents not by the quality of news contents and the function of the news outlets but by their own convenience.

• Environmental and Resource Economics Review
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• v.17 no.4
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• pp.751-774
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• 2008

In this paper, we examine the institutional prices differences in the electricity and natural gas industries using unbalanced panel data from 1999 to 2001. The changing market structures following deregulation in both markets allow us to examine the institutional prices differences by ownership type, market structure and merger activities. Estimating the reduced form, after controlling both intrinsic characteristic (marginal costs) and external factors (demand), allows us to identify the extent to which specific factors are correlated with the price. Furthermore it allows us to identify systematic institutional price differences in both electricity and natural gas markets. Our estimation results suggest that the private firms in electricity markets are associated with higher prices than public firms after controlling for demand and cost. We further find that dual-product firms in the natural gas industry and the electricity industry are associated with lower rates than single product firms. These results provide a weak evidence of economies of scope in the dual-product firms. Our results finally suggest that merger activities in natural gas markets are associated with higher rates.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.42 no.2
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• pp.349-357
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• 2017

Many Web sites adopt SMS(Short Message Service)-based user authentication when a user loses her password or approves an online payment. In SMS-based authentication, the authentication server sends a text in plaintext to a user's phone, and it allows an attacker who eavesdrops or intercepts the text to impersonate a valid user(victim). We propose a challenge-response scheme to prove to the authentication server that a user is in a certain place at the moment with her smartphone beside her. The proposed scheme generates a response using a challenge by the server, user's current location, and a secret on the user's smartphone all together. Consequently, the scheme is much more secure than SMS-based authentication that simply asks a user to send the same text arrived on her phone back to the server. In addition to entering the response, which substitutes the SMS text, the scheme also requests a user to input a passphrase to get the authentication process started. We believe, however, the additional typing should be tolerable to most users considering the enhanced security level of the scheme.